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Disclosery

ARS Investment Partners, LLC: AMPL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARS Investment Partners, LLC on AMPL, newest first. How the timeline and the estimate are built.

ARS Investment Partners, LLC held 0 AMPL shares at 2026-03-31 per its 13F-HR filed 2026-04-16.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -48,824 shares

    13F-HR 0001172661-26-001501 filed by ARS Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 48,824 shares
    Change vs previous 13F +12,005 shares

    0.03% of the 13F portfolio, value $565,382.

    13F-HR 0001172661-26-000498 filed by ARS Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-09-30
    13F 36,819 shares
    Change vs previous 13F +6,160 shares

    0.03% of the 13F portfolio, value $394,700.

    13F-HR 0001172661-25-004293 filed by ARS Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-06-30
    13F 30,659 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $380,172.

    13F-HR 0001172661-25-003015 filed by ARS Investment Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).